Question: What member of Marshall Islands started on 1992-9-23?
Paraphrase: Who were the members of marshall islands in 1992-9-23
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q709 p:P463 ?s . ?s ps:P463 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1992')) }